Mene ne amfanin earthworm? Yadda za a ninka?

Rawar da earthworm a cikin ƙasa microflora mai girma. Su ne babban sarrafawa kwayoyin halitta a cikin ƙasa, enriching shi tare da humus da kuma sauran abubuwa.

Da yake a cikin ƙasa, tsutsotsi sassauta shi, da barin mashiga iska da shuka tushen, wanda inganta su girma da kuma fruiting. A tsutsa ba matsayi wani hatsari ga muhalli.

Abin da irin earthworm

Gina tsutsa ne kama da wani babban yawan zobba strung a kan na roba. Kuma saboda wannan bayyanar da suke kira da ringed irin. Bangarorin na jiki, wadannan halittu da kananan bristles da wanda ya motsa. Duk da haka, idan aka kwatanta da sauran iri tsutsotsi a cikin su kadan ruwan sama, don haka suka kira mai subclass na oligochaetes.

Kusa da shugaban tsutsa ta jiki ne thickened, kamar yadda idan kewaye, don haka suka kasance a cikin aji Belt. Belt - yana da wani ɓangare na da haihuwa tsarin.

Amma inda ne earthworm? Yadda za a ninka? Suna haife ta amfani da qwai dage farawa a cikin ƙasa a cikin wani musamman rafta da ciwon wani m siffar, constituting diamita na 2 zuwa 7 mm.

Kan aiwatar da hadi

Bari mu dauki wani kusa look at cikin tambaya: yadda ake haife earthworm kamar yadda ninka?

Da farko dole ne mu san cewa earthworm - dauke da lalurar mata, su ba da seminal ruwa tare da maniyyi da kwai maturation faruwa.

Lokacin da tsutsa bayyana bel aka ambata a sama, wannan na nufin cewa ya riga sun iya ninka. Kamar wancan ne aka ayyana kafa cikakken earthworm. Kamar yadda suka riɓaɓɓanya, za a iya lura a cikin ƙasa dõmin ya sami su biyu makale tare.

Gaskiyar cewa a lokacin balaga, a dabbobi akwai duk namiji halaye. Kuma da farko mutane biyu zo tare da touch karshen kusa da kai, kuma jikinsu zahiri gam tare ta hanyar m ruwa saki. A wannan lokaci tsutsotsi belts shirya daura da juna, da kuma seminal ruwa ana musayar, bayan da ja jiki abokan.

A na gaba mataki na haifuwa, wanda duk earthworm. Kamar yadda suka riɓaɓɓanya, idan na farko a gaban mu kawai maza? Sai dai itace cewa bayan da maniyyi metabolism a mutane bayyananna, kuma mace halaye: balagagge ovaries da kwai ya bayyana. The kama fara motsa zuwa ga shugaban karshen na jiki. A farko don samun a cikin shi kansa kwai. Tare da ci gaba da motsi na da hada guda biyu kashi 10 a matakin maniyyin fertilizes da kwai. A karshe hada guda biyu mataki yaduwa da rage-rage tare da tsutsa jiki ta hanyar da kai karshen kuma Forms rafta-kamar bayyanar lemun tsami.

A larval mataki na earthworm fakowa ba. rafta harsashi kare tãyuna daga cutarwa microorganisms, da kyau ruwa m da kuma salts zama dole domin rayuwa nan gaba zuriyarsa. Lokacin da cikakken cikakke karin ayyuka na matasa, da kuma rafta da suka tafi a kan nasu. Kananan tsutsotsi bayan wani gajeren lokaci zama cikakken fledged adult earthworm.

earthworm

Kamar yadda aka bayyana ninka wanda yake za a iya gane ta samar da ainihin matakai da suke ba a cikin wannan tsari. Mun maimaita su sake:

1. Biyu tsutsotsi 'sanda tare' shugaban ƙare via saki daga hada guda biyu m.
2. Seminal ruwa da aka yi musayar.
3. Bayan "pasting" a kowane daga cikin tsutsa fara matsawa a kama jiki, wajen kai karshen na jiki.
4. Lokacin da hada guda biyu da motsi samun cikin da shi da kwai.
5. Fitar da maniyyi da maniyyi ya hadu da kwan.
6. Hadi faruwa.
7. Hada guda biyu nunin faifai gaba daya daga jiki na tsutsa.
8. Kafa a rafta.

zurriyar

Saboda haka, a cikin hali da aka bayyana ne ba giciye-hadi, kuma duka breeds earthworm, a kan wannan hasashe shi ne, ba wuya a gane. A rafta, jinkirtar earthworm, akwai daga biyu zuwa ashirin da qwai. Da suka ci gaba a kusa da kwanaki 20, bayan da na su, ana haifuwarsu ne kankanin, bakin ciki kamar kirtani na Young. su tsawon bata wuce 6 mm. Maimakon haka, suna girma da sauri da kuma bayan 12 makonni na zama jima'i balagagge kuma iya ci gaba da kiwo sake zagayowar.

Af, da tsutsotsi rayu har zuwa shekaru 15, kuma zai iya girma a tsawon 'yan dubun santimita.

M yanayi domin kiwo na tsutsotsi

Rain tsutsotsi ne ba a ko'ina cikin duniya, kawai karfi sanyi hana su abin da ya faru a cikin ƙasa. Sun samu nasarar haifa a cikin yanayi na tsaka tsaki PH da kuma ƙasa zafi na game da 60%.

Kamar yadda na ninka earthworm, tattauna a sama, amma a Bugu da kari, wadannan halittu da wani dukiya - sun ayan regenerate. Saboda haka, idan an earthworm yanke a cikin rabin, sa'an nan rabin na cewa, wanda yana da wani shugaban rabo, za a iya mayar da kanta wutsiya, da sauran rabin yawanci mutu. Af, karkashin barazana halakar da tsutsotsi ne iya haifa ba tare da hadi.

Yadda za a ninka hanzari earthworm? Wannan na faruwa a lokacin da dumi kakar. Yawancin lokaci a lokacin daga spring to kaka a yankunan da temperate sauyin yanayi. Yana tsaya a nan haifuwa kawai a cikin sanyi, kamar yadda tsutsotsi, kada ku ci, kuma ku zurfi a cikin ƙasa, inda suka ciyar da hunturu.